Repair/Protection Guide

Segregation of concrete is the separation of cement paste and aggregates of concrete from each other during handling and placement. Segregation also occurs due to over-vibration or compaction of concrete, in which cement paste comes to the top ...

Concrete is known to be a very versatile and reliable material, but some construction errors and construction negligence can lead to the development of defects in a concrete structure. These defects in concrete structures can be due to ...

Back in the days of past, special attention was given to the construction designs like pergolas, overhangs, porches and large casements to catch the breeze, but today, these age-old practices are being overlooked with the arrival of cooling ...

Corrugation and shoving are two defects that usually occur in flexible pavements. Weak sub-grade conditions, improper rolling, poor mixing, temperature effect of bitumen, and weak bottom layers are different causes of corrugation and shoving in flexible pavements.

Concrete delamination is the detachment of thin layers of concrete from the concrete surface. The peeled-out concrete surface then becomes prone to all kind of abraders in the atmosphere which consequently weaken the structure. It, therefore, becomes extremely ...

Active cracks in concrete are live cracks which expand in length, width, and depth over time. These cracks are formed due to overloading and thermal expansion e.g. cracks due to freeze-thaw. Common methods to repair active cracks are drilling and ...

Frost heave is an upward swelling of soil due to the formation of ice during freezing conditions. It usually occurs when the freezing temperature penetrates the soil and turns the present moisture into ice thereby generating an upward ...

Concrete sweating is the phenomena of accumulation of water droplets on the surface of concrete due to the difference in temperature of the outer environment and concrete. A sweating concrete floor can be a real nuisance that can ...

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